The retired actor — currently battling frontotemporal dementia — was seen in a rare video speaking with LA wildfire first responders.

Willis was diagnosed first with aphasia -- a condition where the brain's ability to understand or express language is impaired, according to the National Institutes of Health -- in 2022 before receiving an additional diagnosis of frontotemporal dementia in 2023, according to his family.

"Bruce never missed a chance to show his gratitude with a heartfelt handshake," the actor's wife Emma Heming says.

Bruce Willis has personally thanked first responders who have battled the devastating LA wildfires. The actor was filmed by wife Emma Heming Willis shaking hands with officials who have responded to the blazes in a moving video on Instagram.

Bruce Willis' family announced he would step away from acting in 2022; the actor was diagnosed with frontotemporal dementia (FTD) in 2023

Bruce Willis is showing his gratitude for the first responders in Los Angeles as several wildfires ripped through the city over the past week.

Bruce Willis retired from acting in 2022 and was then diagnosed with frontotemporal dementia. He's rarely been seen in public since then.